DTM is celebrating its 34th year! DTM has been providing over 34 years of expert consulting services. Services include designing new installations, modernizations, maintenance specifications, maintenance evaluations and inspections as licensed by New York City. CEI/CEIS certified. LEED Green Associate. Member – IAEC, NAEC, NAESA, CSI & BOMA. Involved with EESF, ASME, NAESA, New York City Code Committee.

QEI Certified. We offer a full range of elevator services. Inspections, design, layouts, specifications, surveys, litigation, and maintenance/equipment audits with heavy emphasis on and expertise in modernization.